3.
A scuba cylinder should be hydrostatically tested every:
6 months
year
5 years
15 minutes

4.
A dive team caught in a rip current taking them in a direction they do not want
to go, should:
Descend immediately
Swim at a right angle to the current
Swim against the current
Swim with the current

6.
When you practice neutral bouyancy, inhalations will cause you to ______ and
exhaling will cause you to ______ .
ingas, outgas
roll, wiggle
rise, fall
implode, explode

7.
A precautionary safety stop at a depth of 15 feet for 3 minutes...
Is a no-no
Prevents air embolisms
Mandatory for dives deeper than 20 feetHelps
eliminate nitrogen in your system safely through respiration

8.
If you take a balloon to the bottom of a swimming pool, the density of the air
in the balloon will:
Decrease
Increase
Not change

9.
On ascent, remember to release expanding air in your BC to prevent:
Rapid ascent
Squeeze
Nitrogen Narcosis
An Explosion